1998-2006 Yamaha F20/F25 Outboards Service Manual, Page 223Get this manual
I PROPELLER SHAFT HOUSING ASSY
PROPELLER SHAFT HOUSING ASSYEXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step ProcedurePart name PROPELLER SHAFT HOUSING ASSYDISASSEMBLY a-ring a-ring Reverse gear Reverse gear shim Ball bearing Oil seal Needle bearing Propeller shaft housing Q'ty Service points Follow the left "Step" for removal63.6 3.9 mm 65.0 2.4 mm